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2016-08-11-flux-core-0.4.0.md

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title date author categories version download
flux-core v0.4.0
2016-08-11 19:09:27 -0700
grondo
release
0.4.0
This is an alpha release of flux-core and is not intended for production use.

Download from GitHub here.

Release Notes

Scalability improvements

  • don't store broken-down hwloc topology in the KVS (#716)

  • route rank-addressed requests via TBON (#689)

  • streamline matchtag handling (#687)

  • keep active jobs in a separate KVS namespace from "archived" jobs (#609)

New features

  • implement PMI-1 simple server in wrexecd (#706)

  • add skeletal PMI-2 library (based on PMI-1) (#747)

  • make libflux-optparse.so available externally (#702)

  • asynchronous KVS fence and rewritten fence path in KVS module (#707, #729)

  • flux-cron, a cron/at-like service (#626)

  • flux-proxy and ssh:// connector (#645)

Other changes

  • Use RFC 5424 log format for internal logging, not ad hoc JSON (#691)

  • Add wreck lua.d MPI personalities (#669, #743, #747)

  • Improved command line for launching flux from slurm/flux (#658)

  • Assorted code cleanup.

  • Automatic github release upload on tags (#744)

Deprecations

  • Sophia content backing store module (#727)

  • mrpc KVS based multi-RPC interface (#689)

  • ZPL config file (#674)

  • Ring overlay network (#689)

Testing

  • Print backtraces for any core files generated in travis-ci (#703)

  • Add cppcheck target to travis-ci (#701)

  • configure --enable-sanitizer for AddressSanitizer, ThreadSanitizer (#694)

  • caliper based profiling (#741)

  • coverage uploaded to CodeCof (#751)

  • improved test coverage